Data Sufficiency Practice Questions for Competitive Exam

Selective Practice Questions of Data Sufficiency

Direction(11-20): In each of the following problems, there is one question and three statements I, II and III given below the question. You have to decide whether the data given in the statements is sufficient to answer the question. Read all the statements carefully and find which of the statements is/are sufficient to answer the given question. Choose the correct alternative in each question.

Q.11. In a certain code, ‘XYZ’ means ‘We are friends’. Which letter stands for ‘We’?

Statements:

I. ‘PYN’ means ‘They are classmates’.

II. ‘ZMS’ means ‘We love them’.

III. ‘PX’ means ‘Hello friends’,

(A)  Only II

(B)  Only I and III

(C)  Either I only or II only

(D)  None of these

(E)  All I, II and III

Q.12. Who among Siddhartha, Nikunj, Vipul and Mukul is the youngest?

Statements:

I. Vipul is younger than Mukul but older than Siddhartha and Nikunj.

II. Mukul is the oldest.

III. Siddhartha is older than Nikunj.

(A)  Only I

(B)  Only I and II

(C)  None of these

(D)  Only I and III

(E)  Only II and III

Q.13.  Among P, Q, R, S and T, Q is the second tallest and S is immediate taller than the shortest. Who among them is in the middle when they stand in the order of their heights?

Statements:

I. T is not the shortest.

II. R is taller than S but shorter than Q.

III. P ranks third in height above S when all are arranged in the order of height.

(A)  Only I and II

(B)  Either II only or I and III only

(C)  None of these

(D)  Only II and III

(E)  Only II

Q.14. In which year was Sanjay born?

Statements:

I. Sanjay is six years older than Gopal.

II. Gopal’s brother was born in 1982.

III. Sanjay’s brother is two years younger than Gopal’s brother who was eight years younger than Gopal.

(A)  Only I and II

(B)  Only II and III

(C)  All I, II and III

(D)  None of these

(E)  Only I and III

Q.15. Four subjects – Physics, Chemistry, Mathematics and Biology – were taught in four consecutive periods of one hour each starting from 8.00 a.m. At what time was the Chemistry period scheduled ?

Statements:

I. Mathematics period ended at 10.00 a.m., which was preceded by Biology.

II. Physics was scheduled in the last period.

III. Mathematics period was immediately followed by Chemistry.

(A)  Only I

(B)  Either I only or II only

(C)  Only II and III

(D)  Only I and either II or III

(E)  Only II

Q.16. How is ‘DATE’ written in the code language ?

Statements:

I. DEAR is written as $#@? in that code.

II. TREAT is written as %?#@% in that code.

III. TEAR is written as %#@? in that code,

(A)  Only I and II

(B)  Only II and III

(C) Only I and either II or III

(D) None of these

(E)  All I, II and III

Q.17. What is the total monthly salary of Vasu ?

Statements:

I. Vasu’s basic salary is Rs 100 more than Rajan’s salary who also serves in Vasu’s company.

II. Other allowances drawn by Rajan besides his basic salary are Rs 2000 per month which is Rs 50 less than Vasu’s salary.

III. Rajan’s basic salary is Rs 1550 per month,

(A)  Only II

(B)  Only II and III

(C)  Only I and III

(D)  All I, II and III

(E)  Only I and II

Q.18.Five persons – A, B, C, D and E are sitting in a row. Who is sitting in the middle?

Statements:

I. B is between E and C.

II. B is to the right of E.

III. D is between A and E.

(A)  Only I and II

(B)  Only II and III

(C)  All I, II and III

(D)  None of these

(E)  Only I and III

Q.19. Who is the tallest among six boys P, T, N, D, Q and R ?

Statements:

I. P is taller than D and N but not-as tall as T.

II. R is taller than Q but not as tall as T.

III. Q is not taller than T and R.

(A)  Only I and II

(B)  Only II and III

(C)  All I, II and III

(D)  Only I and either II or III

(E)  Only I and III

Q.20. What is Suman’s rank from the top in a class of forty students?

Statements:

I. Suman is 3 ranks below Deepak from the top.

II. Deepak’s rank from the bottom is 23.

III. Suman is 3 ranks above Deepak from the bottom.

(A) Any two of the three

(B)  Only I and II

(C)  All I, II and III

(D)  Only II and either I or III

(E)  Only II and III

Feel free and ask me in the comment section anything related to data sufficiency practice questions.